Prep and freeze 1-2 cup servings of soups, leftovers, morning smoothies, and more! Strong frame for spill-free filling & easy transfer to the freezer. Made from premium silicone for easy-to-pop-out cubes in perfect portions. Snap-on lid for easy stacking while protecting against freezer odours. Area for labeling date & contents on lid. Easy measurement with both milliliters & common cup increments on sides of cubes. Not just for the freezer — Cup Cubes tray can endure super hot temps, so you can bake casseroles, brownies, & soufflé in them